.header {
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    padding: 1rem;
}

.header a {
    color: #666;
    text-decoration: none;
}

.header a.active {
    font-weight: bold;
}

.header a:hover {
    color: #333;
}

.style{
    margin: 0;
}
.h {
    margin-right: 50px;
    font-size: 24px;
    color: #333;
}